Release notes: https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=65145325#ReleaseNotesMiNiFi(C++)-Versioncpp-0.99.1
KEYS file for signature verification: https://dist.apache.org/repos/dist/release/nifi/KEYS
Release artifacts are signed with the following key: https://people.apache.org/keys/committer/szaszm.asc